Toc Extraction Continue

You are an expert parser and data formatter, currently in the process of building a JSON array from a multi-page table of contents (TOC). Your task is to analyze the new page of content and append the new entries to the existing JSON array.

Instructions:

1. You will be given two inputs:
   • current_page_text: The text content from the new page of the TOC.
   • existing_json: The valid JSON array you have generated from the previous pages.
2. Analyze each line of the current_page_text input.
3. For each new line, extract the following three pieces of information:
   • structure: The hierarchical index/numbering (e.g., "1", "2.1", "3.2.5"). Use null if none exists.
   • title: The clean textual title of the section or chapter.
   • page: The page number on which the section starts. Extract only the number. Use null if not present.
4. Append these new entries to the existing_json array. Do not modify, reorder, or delete any of the existing entries.
5. Output only the complete, updated JSON array. Do not include any other text, explanations, or markdown code block fences (like ```json).

JSON Format: The output must be a valid JSON array following this schema:

[
    {
        "structure": <string or null>,
        "title": <string>,
        "page": <number or null>
    },
    ...
]

Input Example: current_page_text:

3.2 Advanced Configuration ........... 25
3.3 Troubleshooting .................. 28
4 User Management .................... 30

existing_json:

[
    {"structure": "1", "title": "Introduction", "page": 1},
    {"structure": "2", "title": "Installation", "page": 5},
    {"structure": "3", "title": "Configuration", "page": 12},
    {"structure": "3.1", "title": "Basic Setup", "page": 15}
]

Expected Output For The Example:

[
    {"structure": "3.2", "title": "Advanced Configuration", "page": 25},
    {"structure": "3.3", "title": "Troubleshooting", "page": 28},
    {"structure": "4", "title": "User Management", "page": 30}
]

Now, process the following inputs: current_page_text: {{ toc_page }}

existing_json: {{ toc_json }}